Home / 770,812.64-1,156,344.24-238,209.44

Finding the Fourth Proportional to 770,812.64, 1,156,344.24 and 238,209.44

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Solution

The fourth proportional to 770,812.64, 1,156,344.24 and 238,209.44 is: 357,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,812.64 : 1,156,344.24 = 238,209.44 : x
  2. Step 2: Convert to fraction form
    770,812.64/1,156,344.24 = 238,209.44/x
  3. Step 3: Cross multiply
    770,812.64x = 1,156,344.24 × 238,209.44
  4. Step 4: Simplify right side
    770,812.64x = 275,452,113,857.63
  5. Step 5: Solve for x
    x = 275,452,113,857.63/770,812.64
  6. Step 6: Final answer
    x = 357,352.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.